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Professional Power Amplifier – High Performance & Reliability
This high-performance professional power amplifier is engineered to deliver powerful, clean, and reliable sound for live performances, fixed installations, and PA sound systems. With a robust circuit design and stable output, it ensures excellent audio clarity even under demanding operating conditions.
The amplifier delivers 400W per channel at 8Ω and 750W per channel at 4Ω (RMS), making it ideal for driving a wide range of professional loudspeakers. Its wide 20Hz–20kHz frequency response with ±0.5dB accuracy guarantees faithful reproduction across the entire audible spectrum.
With total harmonic distortion ≤0.05% and a signal-to-noise ratio greater than 100dB, the amplifier delivers clean, detailed audio with minimal noise and distortion. Multiple input control modes—including Dual, Bridge, and Parallel—provide flexibility for various system configurations.
The front panel features clear Power, Signal, Clipping, and Protection indicators for easy monitoring and safe operation. Housed in a standard 2U rack-mount chassis with durable construction and efficient cooling, this amplifier is built for professional touring and permanent installation environments.
Key Features
- 400W × 2 @ 8Ω / 750W × 2 @ 4Ω RMS output
- Wide frequency response: 20Hz–20kHz (±0.5dB)
- Low distortion and high signal-to-noise performance
- Dual, Bridge, and Parallel input modes
- Balanced and unbalanced input support
- Front-panel Power, Signal, Clipping, and Protection indicators
- Standard 2U rack-mount design
- AC 220V ±10% power supply
| Power | |
|---|---|
| 8Ω (stereo) | 2 × 400W |
| 4Ω (stereo) | 2 × 750W |
Technical Specifications
Frequency Response: 20Hz – 20kHz (+/-0.3dB)
THD+N: ≤ 0.08%
Signal-to-Noise Ratio: >100dB (A-weighted)
Damping Factor: ≥ 1500
Slew Rate: >20 V/μs
Input Sensitivity: 0.775V
Input Impedance: >20kΩ (balanced)
Load Impedance and Operating Notes
4Ω per channel is stable for all normal applications and is the recommended minimum load for long-term operation and maximum thermal reliability. In bridge mode the minimum is 8 ohms.
General
Dimensions (W × D × H): 482 × 400 × 88 mm
Net Weight: 12 kg
Audio Input Connections: 3-pin XLR
Amplifier Outputs: Industry-standard 4-pole locking loudspeaker connectors
Mains Connection: IEC inlet (power cable included)
Operating Modes: Stereo, Parallel Mono, Bridge
In Parallel Mono mode, Channel 1 gain control is used for both output channels.
Cooling: Front-to-rear forced-air cooling – rear ventilation must be kept unobstructed
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